Ladder



FIG. 1 is a front perspective view of a ladder of the present invention in an extended position;

FIG. 2 is a frontal view of the ladder;

FIG. 3 is a rear view of the ladder;

FIG. 4 is a first side view of the ladder;

FIG. 5 is a second side view of the ladder;

FIG. 6 is a top view of the ladder;

FIG. 7 is a bottom view of the ladder; and,

FIG. 8 is a front perspective view of the ladder in a collapsed position.

The broken lines shown in the views are for illustrative purposes only and form no part of the claimed design. 

CLAIM The ornamental design for the ladder, as shown and described. 